Mark (a test taker) attempts 10 questions, answers 8 of these questions, and skips 2.
Out of the 8 questions attempted, he marked 2 ambiguous, gets 4 questions correct and 2 questions wrong. Also out of the 8 question user marked 3 questions as “Question needs correction”
Out of the two question marked ambiguous by Mark, AV expert conclude one of the question had indeed no answer correct, and other question clearly had one option correct.
For “Question needs correction”, Marks does not get any score. Interim Score of Mark = +3 * 4(Correct answers) - 1 * 2(Wrong Answers) = 10 Final Score = 10 (Interim Score) + 3 * 1 (Rightly marked ambiguous) - 1 * 1 (Wrongly marked Ambiguous) = 12
Mark gets 12 as the final score and 10 as the interim score.